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Japanese maples face drought risk - 05/10/09

Japanese maples are famed for their breathtaking colour changes in green spaces during British autumns.

However, experts have warned that the trees may be threatened by climate change. Forestry Commission research of almost 8,000 trees at one site in Gloucestershire shows that the species struggles with drought.

The research at Westonbirt Arboretum, the UK's largest collection of Japanese maples, found that almost a quarter seemed intolerant of drought conditions, particularly hotter, drier summers and frequent drought conditions associated with climate change.

Shallow roots and a preference to be in most soils are thought to cause the weaknesses. This October, a multi-million pound project is being launched to protect the existing trees from climate change, conserve the Grade I-listed area and create facilities for people the chance to learn more about trees.

Simon Toomer, Westonbirt Arboretum's new director, said: "It's vital that we act now. Working closely with scientists at Forest Research, our expert team here at Westonbirt will safeguard these important trees, and pass on the lessons learned to help climate-proof Britain's trees and woodlands."

     

• Japanese maples face drought risk - 05/10/09
• Five-year forest survey launched - 07/09/09
• Oak tree most recognisable British species - 15/05/09
• New tree named after road sign - 09/03/09
• Trees bring parkland garden to life - 26/02/09

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